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AP Biology/Unit 2: Cell Structure and Function
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Primary and Secondary Active Transport
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Which statement best distinguishes primary active transport from secondary active transport?

A

Primary active transport directly uses ATP, while secondary active transport uses ion gradients

B

Primary active transport moves only small molecules, while secondary moves large ones

C

Primary active transport is passive, while secondary active transport requires energy

D

Primary active transport occurs in prokaryotes, while secondary occurs in eukaryotes

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